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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10665614 B1

PDFFull Text
Date of Patent:
May. 26, 2020

Filed:

Mar. 01, 2019

Display panel and method for manufacturing thin film transistor substrate

Applicant:

Joled Inc., Tokyo, JP;

Inventor:

Hiroshi Hayashi, Tokyo, JP;

Assignee:

JOLED INC., Tokyo, JP;

Attorney:

Hauptman Ham, LLP

Primary Examiner:

Trang Q Tran

Int. Cl.
CPC ...
H01L 27/12 (2006.01); G09F 9/30 (2006.01); H01L 21/8234 (2006.01); H01L 27/08 (2006.01); H01L 27/088 (2006.01); H01L 51/50 (2006.01); H01L 29/423 (2006.01); H01L 29/49 (2006.01); H01L 29/786 (2006.01); G09F 9/33 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1225 (2013.01); G09F 9/30 (2013.01); G09F 9/33 (2013.01); H01L 21/8234 (2013.01); H01L 27/08 (2013.01); H01L 27/088 (2013.01); H01L 27/124 (2013.01); H01L 27/127 (2013.01); H01L 27/1222 (2013.01); H01L 27/1229 (2013.01); H01L 27/1251 (2013.01); H01L 29/42384 (2013.01); H01L 29/4908 (2013.01); H01L 29/78645 (2013.01); H01L 29/78696 (2013.01); H01L 51/50 (2013.01); H01L 27/3262 (2013.01);
Abstract

A display panel includes a substrate, a display element, a plurality of pixels arranged in a matrix, a drive circuit that drives the display element, a switching transistor in each of the plurality of pixels and selectively performs switching on the pixel that is to be caused to emit light, a first drive transistor in each of the plurality of pixels and drives a light-emitting element in the pixel, and a second drive transistor in the drive circuit. The switching transistor that is in each of the plurality of pixels, the first drive transistor that is in each of the plurality of pixels, and the second drive transistor in the drive circuit include oxide semiconductors. The switching transistor in each of the plurality of pixels and the second drive transistor in the drive circuit have a higher mobility than the first drive transistor in each of the plurality of pixels.

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Hayashi, Hiroshi. (2020). Display panel and method for manufacturing thin film transistor substrate (U.S. Patent No. 10665614). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10665614

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